The answer to your question would be A. hope this helps...
Answer:
D => 11.3
Explanation:
(Molarity x Volume) diluted = (Molarity x Volume) concentrate
=> [NaOH] = (1/999)(2M) = 0.002M in NaOH = 0.002M OH⁻
pOH = -log[OH⁻] = -log(0.002) = 2.7
pH = 14 - pOH = 14 - 2.7 = 11.3
Answer:
3139542g
Explanation:
That's because if you talk about
4.5
moles of sodium fluoride, you would get a really absurd number of grams.
Answer:
677
Explanation:
took the test
it said that it was wrong but then it also said the total bond energy of the reactants is 677 kJ/mol. the correct one was 854, i guess.
I2 (aq) + starch (aq) I2 starch complex (aq) Equation 1 deep blue-black